const mongoose=require('mongoose')
mongoose.connect('mongodb://127.0.0.1:27017/zhoupu2')
const conn=mongoose.connection
conn.on('open',()=>{
    console.log("数据库连接成功");
})
conn.on('error',(error)=>{
    console.log("数据库连接失败",error);
})
module.exports=mongoose